Most Audi remote key issues stem from a weak battery, sync loss, or interference—swap the coin cell, resync the fob, and test range. When your Audi refuses to unlock or start with the remote, the problem is usually simple. A tired CR2032 cell, a desynced fob, or radio noise around the car can block signals. … Continue reading Audi Remote Key Not Working | 5-Minute Fixes That Work